Assuming his sale agreement is approved by the NBA’s Board of Governors, William Chisholm will soon become the new majority owner of the Boston Celtics.

Chisholm leads a consortium that agreed to pay $6.1 billion for the storied NBA franchise, the highest price ever paid for an American professional sports team.

The Celtics expect the sale to be finalized in June or July, meaning it could become official right around the time the 2024-25 NBA champion is crowned. (Whether Boston, which currently owns the league’s third-best record, can retain that title remains to be seen.)

Then what? What’s next on the agenda for the Celtics’ first new ownership group in a generation?

Here are the three biggest questions facing Chisholm and his partners as a new era of Celtics basketball begins:

1. What does this mean for the roster?

From a fan’s perspective, this is the obvious starting point. On paper, the Celtics have Jayson Tatum, Jaylen Brown, Derrick White, Jrue Holiday, Kristaps Porzingis, Payton Pritchard and Sam Hauser all locked up through at least next season, plus reserves Neemias Queta, Baylor Scheierman, Jordan Walsh and Xavier Tillman. All rotation players on that list except Porzingis are signed through 2026-27 or longer, with Tatum, White, Holiday and Hauser all signing long-term extensions within the last year.

But that core is about to become exorbitantly expensive thanks to the NBA’s new luxury tax repeater penalties, which go into effect this offseason. Between player salaries and those sanctions, the Celtics roster is set to close to $500 million for the 2025-26 campaign, which would make them by far the most expensive team in league history. The starting lineup alone will cost $198.5 million, not counting tax penalties, more than 25 other NBA teams currently have ticketed for their entire rosters next season.

Anyone willing to shell out $6.1 billion to buy a sports team has money to burn, but dropping an additional $500 million on player compensation for a single season might be too much for even the deepest-pocketed owner to stomach. And that doesn’t even account for Boston’s full roster, as three of its current players (core reserves Al Horford and Luke Kornet and midseason pickup Torrey Craig) are on expiring contracts.

In all likelihood, financial constraints will force the Celtics to part with at least one or two important players this offseason (with the team hoping this group can deliver another championship before then). Which players? The oft-injured Porzingis ($30.7 million salary next season) and the 34-year-old Holiday ($32.4 million, plus $34.8 million for 2026-27 and a $37.2 million player option for ’27-28) are two logical candidates, though recent NBA rule changes have made trading high-priced veterans more challenging.

Shipping out someone like Hauser ($10 million next season as his four-year extension kicks in) is another possibility. ESPN’s Bobby Marks noted Thursday that the backup wing’s contract actually would cost the Celtics around $90 million at their current luxury tax status.

Chisholm will need to be willing to either fork over an unprecedented amount of dough or make some potentially unpopular roster decisions in his first year in charge. Which brings us to…

2. Will the Grousbeck transition period work?

Wyc Grousbeck said when his family put the team up for sale last summer that he planned to remain on as team governor until 2028, and the announcement of the pending sale to Chisholm’s group echoed that.

“He has asked me to run the team as CEO and Governor for the first three years, and stay on as his partner, and I am glad to do so,” Grousbeck said in a statement.

That’s an ideal outcome for Grousbeck — who made clear in his public comments that the decision to sell the team was his family’s, not his own — and a condition Chisholm clearly agreed to. Both are Massachusetts natives (Worcester for Grousbeck; Georgetown for Chisholm) and lifelong Celtics fans, and in an ideal world, their visions for the direction of the franchise would align.

But what happens if they don’t? When Grousbeck pushes for a player signing, financial allocation or other team decision that Chisholm does not agree with? Put simply, how long will Chisholm want another person running the team he spent billions to buy?

Chisholm said in a statement that he “look(s) forward to learning from Wyc and partnering with Brad Stevens, Joe Mazzulla and the talented team and staff to build upon their success as we work to bring more championships home to Boston.” But that relationship will be one to watch closely over the next three seasons.

3. Will the Celtics seek a new arena?

They have to, right? You don’t pay a record price tag to buy a team that plays in a building it doesn’t own.

The Celtics lease TD Garden from the Bruins’ ownership group, Delaware North, which means they cannot profit from concerts and other events held at the venue — a lucrative revenue stream.

The team’s Garden lease runs through 2032, so any potential exit would be years away, if not a decade-plus. That would be similar to the timeline Steve Ballmer followed with the Los Angeles Clippers: purchasing the team in 2014, breaking ground on a new stadium — the gleaming, state-of-the-art Intuit Dome — in 2021 and then opening it this season.

Chisholm was asked during an NBC Sports Boston interview about pursuing a new arena for the Celtics.

“I haven’t put much thought into that,” he replied. “There have been a lot of banners raised in that location that the Celtics are in right now, so that’s a pretty important part of the history. We’ll get to thinking about that, but it’s also a decision that’s down the road. That’ll be down the road.”

Finding a location for such a venue would be a considerable hurdle, as other plans to open stadiums in and around Boston — including ones aimed at building a soccer-specific home for the New England Revolution — have failed in the past.

It’s also rare for a city to have NBA and NHL teams that do not share a venue. The Clippers are the only current club with that distinction after moving out of Crypto.com Arena, which still houses the Lakers and Kings. The teams in Chicago, Dallas, Denver, Detroit, New York, Philadelphia, Toronto, Utah and Washington, D.C., all play in the same building.